Global Patent Index - EP 3772864 A1

EP 3772864 A1 20210210 - METHOD AND APPARATUS FOR IMPROVING VOICE SERVICE QUALITY IN WIRELESS COMMUNICATION SYSTEM

Title (en)

METHOD AND APPARATUS FOR IMPROVING VOICE SERVICE QUALITY IN WIRELESS COMMUNICATION SYSTEM

Title (de)

VERFAHREN UND VORRICHTUNG ZUR VERBESSERUNG DER SPRACHDIENSTQUALITÄT IN EINEM DRAHTLOSEN KOMMUNIKATIONSSYSTEM

Title (fr)

PROCÉDÉ ET APPAREIL POUR AMÉLIORER LA QUALITÉ DU SERVICE VOCAL DANS UN SYSTÈME DE COMMUNICATION SANS FIL

Publication

EP 3772864 A1 20210210 (EN)

Application

EP 20189645 A 20200805

Priority

  • KR 20190095220 A 20190805
  • KR 20200019259 A 20200217
  • KR 20200021847 A 20200221
  • KR 20200022522 A 20200224
  • KR 20200042447 A 20200407

Abstract (en)

The present disclosure relates to a communication method and system for converging a 5<sup>th</sup>-Generation (5G) communication system for supporting higher data rates beyond a 4<sup>th</sup>-Generation (4G) system with a technology for Internet of Things (IoT). The present disclosure may be applied to intelligent services based on the 5G communication technology and the IoT-related technology, such as smart home, smart building, smart city, smart car, connected car, health care, digital education, smart retail, security and safety services.

IPC 8 full level

H04W 36/14 (2009.01); H04W 88/06 (2009.01); H04W 92/02 (2009.01); H04W 60/04 (2009.01)

CPC (source: CN EP US)

H04W 36/0022 (2013.01 - CN US); H04W 36/0033 (2013.01 - US); H04W 36/0066 (2013.01 - EP); H04W 36/14 (2013.01 - CN EP US); H04W 36/30 (2013.01 - US); H04W 76/30 (2018.02 - CN US); H04W 88/06 (2013.01 - EP); H04W 92/02 (2013.01 - EP); H04W 60/04 (2013.01 - EP); H04W 76/16 (2018.02 - EP)

Citation (search report)

  • [A] WO 2019135581 A1 20190711 - LG ELECTRONICS INC [KR]
  • [X] "3rd Generation Partnership Project; Technical Specification Group Services and System Aspects; System Architecture for the 5G System; Stage 2 (Release 16)", vol. SA WG2, 11 July 2019 (2019-07-11), XP051756434, Retrieved from the Internet <URL:http://www.3gpp.org/ftp/tsg_sa/WG2_Arch/Latest_SA2_Specs/DRAFT_INTERIM/DRAFT_23501-g20_CRs_Implemented.zip> [retrieved on 20190711]
  • [A] MEDIATEK INC: "Discuss on ATSSS and Interworking with EPS", vol. SA WG2, no. Sapporo, Japan; 20190624 - 20190628, 18 June 2019 (2019-06-18), XP051752307, Retrieved from the Internet <URL:http://www.3gpp.org/ftp/tsg%5Fsa/WG2%5FArch/TSGS2%5F134%5FSapporo/Docs/S2%2D1907346%2Ezip> [retrieved on 20190618]
  • [A] OPPO ET AL: "Interworking for MA PDU Session", vol. SA WG2, no. Sapporo, Japan; 20190624 - 20190628, 1 July 2019 (2019-07-01), XP051756584, Retrieved from the Internet <URL:http://www.3gpp.org/ftp/tsg_sa/WG2_Arch/TSGS2_134_Sapporo/Docs/S2-1907937.zip> [retrieved on 20190701]

Designated contracting state (EPC)

AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

Designated extension state (EPC)

BA ME

DOCDB simple family (publication)

EP 3772864 A1 20210210; CN 114208281 A 20220318; US 2021045021 A1 20210211; WO 2021025463 A1 20210211

DOCDB simple family (application)

EP 20189645 A 20200805; CN 202080055719 A 20200805; KR 2020010338 W 20200805; US 202016947536 A 20200805